Fish tank



FIG. 1 is a perspective view of the fish tank of the present invention;

FIG. 2 is a top view of the fish tank of FIG. 1;

FIG. 3 is bottom view of the fish tank of FIG. 1;

FIG. 4 is a front view of the fish tank of FIG. 1;

FIG. 5 is a rear view of the fish tank of FIG. 1;

FIG. 6 is a left side view of the fish tank of FIG. 1; and,

FIG. 7 is a right side view of the fish tank of FIG. 1.

The broken lines in the Figures illustrate portions of the fish tankwhich form no part of the claimed design.

CLAIM The ornamental design for a fish tank, as shown and described.